Summary
generated automatically from NVD dataIBM Langflow OSS versions 1.0.0 through 1.12.3 contain a deserialization of untrusted data flaw (CWE-502). A remote attacker able to reach the message broker could exploit it to execute arbitrary code on the underlying system. The vulnerability is rated HIGH with a CVSS v3.1 score of 8.1, with network attack vector and high attack complexity, requiring no privileges or user interaction.
NVD description
IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote attacker who could reach the message broker to execute arbitrary code on the system due to the deserialization of untrusted data.
EPSS · FIRST.org
0.57%probability of exploitation in the next 30 days
Higher than 47% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-30, recomputed daily by FIRST.org.
CVSS v3.1 Score
Information
- Published
- 29 oct. 2026
- Updated
- 30 oct. 2026
- Status
- Analyzed
- Source
- psirt@us.ibm.com
Affected products
Bounds published by NVD: "< 8.4.27" means 8.4.27 is no longer vulnerable. The fixed release to install is in the vendor advisory.
Weaknesses (CWE)
References (1)
- https://www.ibm.com/support/pages/node/7293015PatchVendor Advisory
Similar CVEs
Other vulnerabilities of type CWE-502
Know which CVEs hit the versions you run.
Add the product and its version: cveo.tech lists the CVEs that affect it right away, then alerts you by email when a new one affects it — including before NVD has finished its analysis. Free, an account is all it takes.